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1 to 12 of 70
  • Published: Leeds & Northrup Company, Philadelphia  
  • Terms: Microscopes  
  • Terms: Time  
  • Terms: Surveying  
  • Terms: Potentiometers  
  • Terms: Electricity  
  • Terms: scientific instruments -- twentieth century  
  • Terms: C5-B1  
  • Terms: John Von Neumann  
  • Terms: Cameras  
  • Terms: C4-A1  
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Published *

Leeds & Northrup Company, Philadelphia (70)

Year

0 (23)
1927 (7)
1929 (7)
1928 (5)
1912 (3)
1919 (3)
1930 (3)
1943 (3)
1945 (3)
1944 (2)
1948 (2)
1915 (1)
1917 (1)
1925 (1)
1926 (1)
1932 (1)
1935 (1)
1942 (1)
1946 (1)
1950 (1)

Thesaurus *

Leeds & Northrup Company (61)
Electricity (60)
C6-A1 (59)
Galvanometers (15)
Potentiometers (12)
Electrical Instruments (10)
Scientific Instruments -- Catalogues (10)
C5-B1 (10)
Leeds & Northrup (7)
Bridges (5)
conductivity (3)
Thermometers (2)
Pyrometers (2)
Circuits (2)
Resistance (2)
Resistors (2)
Line testing (2)
Photometers (1)
Leeds and Northrup Company (1)
Cables (1)
Current (1)
Capacitors (1)
Inductometer (1)
Kelvin Bridge (1)
Candle Power (1)
Rotary Converter (1)
Synchronizing Fork (1)
Ion Concentrations (1)
Testing Instruments (1)
C5-A3 (1)

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Apparatus for Capacitance, Inductance, and Magnetic Measurements: Catalog 10

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Apparatus for D-C Resistance Measurements, Catalogue E-53

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Apparatus for Electrical Resistance Measurements: Catalog 40

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Apparatus for Electrical Resistance Measurements: Catalog 40

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Apparatus for Electrolytic Conductivity Measurements: Catalog 48

Image Not Available

Apparatus for Electrolytic Conductivity Measurements, Catalog No. 48

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Apparatus for Hydrogen Ion Concentration Measurements: Catalog 75

Image Not Available

Apparatus for Measuring Low Resistance and Conductivity, The Hoopes' Conductivity Bridge, Catalogue No. 40

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Blueprint of "Method of Synchronizing a Rotary Converter"

Image Not Available

Bridge for Locating Faults in Power Circuits, 536A

Image Not Available

Brooks Deflection Potentiometer, Bulletin No. 763, Model No. 7630

Image Not Available

The Brooks Inductometer, Bulletin No. 152

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